The Sig Sauer MCX Spear-LT Lower features a fully ambidextrous controls and rear QD point for slings, 1913 3-slot Pic rail for attaching stock adapters. This lower includes the mimimalist stock, factory manual and lock. These lowers are compatible with any Spear-LT Upper making it easy to switch between calibers like 7.62x39mm, 5.56x45mm NATO, 300 Blackout or any small frame AR cartridge.
Forward Controls Design, Inc
Forward Controls Design, Inc